Applications of a Programmable AC Source

In the new energy industry, where battery performance and grid-connected reliability directly determine product viability, a programmable AC source is no longer just a general power simulation tool—it serves as a critical supporting device for high-precision performance testing of new energy equipment. For Zhuhai Jiuyuan Power Electronics Technology Co., Ltd., which focuses on battery performance testing and grid simulation solutions, its programmable AC source is tailored to synergize with core testing systems, addressing the specialized power simulation needs of scenarios like electric vehicle (EV) battery charger validation and energy storage inverter grid adaptability testing. Below we detail its targeted applications, closely aligned with new energy testing demands and the company’s technical positioning.

Grid Adaptability Testing for Energy Storage Inverters

Energy storage systems (ESS) require inverters to stably connect to and interact with public grids, which demands rigorous validation of the inverter’s response to complex grid conditions. A programmable AC source, when paired with Zhuhai Jiuyuan’s grid analog power system, can replicate diverse grid scenarios—from ideal stable voltage/frequency environments to extreme conditions like voltage sags, surges, harmonics, and frequency fluctuations (50Hz/60Hz switching).

This combination is pivotal for testing grid-tied energy storage inverters: engineers can verify whether the inverter can maintain synchronization with the grid during voltage anomalies, and whether it can safely disconnect or adjust output to protect the system when grid quality deteriorates. Unlike generic AC sources, Zhuhai Jiuyuan’s programmable AC source supports seamless communication (via Modbus, RS485, and daisy chain protocols) with battery performance testing equipment, enabling integrated validation of the entire ESS’s grid interaction and battery discharge performance.

Performance Validation of EV On-Board Chargers

On-board chargers (OBCs) are core components of electric vehicles, and their compatibility with different grid standards and charging scenarios is critical for EV safety and efficiency. A programmable AC source provides the precise, adjustable power input needed to test OBCs under varied conditions:

• It simulates international grid voltage standards (110V/220V/230V) and frequency (50Hz/60Hz) to validate OBC compliance for global markets.
• It generates dynamic voltage fluctuations to mimic real-world charging station power instability, assessing the OBC’s ability to maintain stable charging for EV battery packs.

When combined with Zhuhai Jiuyuan’s e-mobility battery test system, the programmable AC source creates a closed-loop testing environment: it supplies the AC input for the OBC, while the battery test system monitors the EV battery pack’s charging efficiency and temperature response in real time. This integrated setup ensures comprehensive validation of the entire EV charging chain, rather than isolated testing of individual components.

Pre-Compliance Testing for New Energy Power Conversion Devices

For manufacturers of power conversion equipment (such as bidirectional converters for battery energy storage systems), pre-compliance testing against international standards is a key step to shorten product certification cycles. Zhuhai Jiuyuan’s programmable AC source supports this process with specialized features:

• Its sweep mode enables testing of converter efficiency across a range of input voltages, helping engineers identify performance bottlenecks and optimize circuit design.
• Its transient generation function simulates sudden grid disturbances, verifying that converters meet safety and stability standards (e.g., IEC standards for grid-connected devices).

What sets this AC source apart is its compatibility with the company’s battery performance testing systems via CAN bus communication. During pre-compliance testing of battery converters, it can synchronize with battery testers to collect data on both AC input stability and DC output performance to the battery, providing a holistic view of converter reliability.

Laboratory Validation of Hybrid Energy System Prototypes

Hybrid energy systems (combining solar PV, wind power, and battery storage) require rigorous lab testing before field deployment to ensure coordination between different components. A programmable AC source plays a key role in simulating the intermittent and fluctuating AC output from renewable energy inverters, allowing engineers to:

• Test how battery storage systems respond to unstable renewable energy input, verifying charge/discharge control logic.
• Validate the system’s ability to switch between grid power and off-grid renewable power, ensuring uninterrupted supply for critical loads.

Zhuhai Jiuyuan’s programmable AC source is designed to integrate with its matrix-type energy storage test system, creating a unified platform for hybrid system validation. Through RS232 and daisy chain topology, it enables centralized control of power simulation and battery performance monitoring, streamlining the testing workflow and reducing data synchronization errors.

Quality Testing of EV Battery Management System (BMS) Auxiliary Circuits

The BMS of EV battery packs relies on stable AC power for its auxiliary control circuits (e.g., sensor calibration and communication modules). A programmable AC source provides precise, low-distortion AC power to test these circuits under varying load conditions:

• It verifies that BMS auxiliary circuits maintain normal operation during grid voltage deviations, preventing false battery status alerts.
• It simulates low-voltage AC input scenarios to assess BMS power supply redundancy, a critical factor for EV battery safety.

In this scenario, the AC source acts as a complementary tool to Zhuhai Jiuyuan’s core battery performance testing system. While the battery tester evaluates the main pack’s charge/discharge performance, the programmable AC source validates the BMS’s peripheral power stability, ensuring the entire battery system operates reliably in real-world EV environments.

Why Choose Zhuhai Jiuyuan’s Programmable AC Source?

Unlike generic programmable AC sources on the market, Zhuhai Jiuyuan’s product is engineered to integrate with its battery performance testing and grid simulation systems, creating a one-stop solution for new energy equipment validation. It supports industry-specific communication protocols (CAN, RS485, Modbus, daisy chain) to enable seamless data sharing between devices, and its high-precision output (±0.1% voltage accuracy, ±0.001Hz frequency stability) meets the strict demands of new energy testing.

To learn more about how this programmable AC source complements battery performance testing and grid simulation solutions, visit Zhuhai Jiuyuan’s official website: https://www.jiuyuantech-cn.com/.